|ki]nyə|renik-, |kī] noun
Etymology: kynurenic International Scientific Vocabulary kyn- (from Greek kyn-, kyōn dog) + -uren- (irregular from Greek ouron urine) + -ic — more at hound , urine
: a crystalline acid C 9 H 5 N(OH)COOH occurring in the urine of dogs and other animals as one of the normal products of tryptophan metabolism